Катедра "Математика и физика"

Детайли
Посещения: 181
    1. Dimitrova I., V. H. Fernandes, J. Koppitz, T.M. Quinteiro, Ranks of monoids of endomorphisms of a finite undirected path, Bulletin of the Malaysian Mathematical Sciences Society, 43(2), (2020), 1623–1645.
    2. Dimitrova I., V.H. Fernandes, J. Koppitz, T.M. Quinteiro, Partial Automorphisms and Injective Partial Endomorphisms of a Finite Undirected Path, Semigroup Forum, 103(1), (2021), 87–105.
    3. Dimitrova I., J. Koppitz, On Relative Ranks of the Semigroup of Orientation-preserving Transformations on Infinite Chains, Asian-European Journal of Mathematics, 14(8), (2021), 2150146.
    4. Dimitrova I., J. Koppitz, On relative ranks of the semigroup of orientation-preserving transformations on infinite chain with restricted range, Communications in Algebra, (2022).
    5. Dimitrova I., J. Koppitz, The rank of the inverse semigroup of all partial automorphisms on a finite crown, Monatshefte für Mathematik, 202, (2023), 119–140. https://doi.org/10.1007/s00605-023-01880-9
    6. Dimitrova I., V.H. Fernandes, J. Koppitz, T.M. Quinteiro, Presentations for three remarkable submonoids of the dihedral inverse monoid on a finite set, Semigroup Forum, 107, (2023), 315–338. https://doi.org/10.1007/s00233-023-10396-5
    7. Dimitrova I., V.H. Fernandes, J. Koppitz, T.M. Quinteiro, On three submonoids of the dihedral inverse monoid on a finite set, Bulletin of the Malaysian Mathematical Sciences Society, 47, Article number: 27 (2024). https://doi.org/10.1007/s40840-023-01620-0
    8. Dimitrova I., V.H. Fernandes, J. Koppitz, On partial endomorphisms of a star graph, Quaestiones Mathematicae, Published online: 31 Jul 2024. https://doi.org/10.2989/16073606.2024.2374796
    9. Stefanov S. M., Separable Optimization: Theory and Methods. Springer International Publishing, Springer Optimization and Its Applications, vol. 177, New York (2021) XVIII + 356 pp.
    10. Stefanov S. M., Characterization of the optimal solution of the convex separable continuous knapsack problem and related problems. Journal of Information and Optimization Sciences, vol. 42, No. 1 (2021) pp. 1-16.
    11. Stefanov S. M., On the numerical solution of separable stochastic inventory control problems. Journal of Information and Optimization Sciences, vol. 42, No. 3 (2021) pp. 533-561.
    12. Stefanov S. M., Numerical solution of some systems of nonlinear algebraic equations, Journal of Interdisciplinary Mathematics, vol. 24, No. 6 (2021) pp. 1545-1564.
    13. Stefanov S. M., Numerical solution of systems of nonlinear equations defined by convex functions, Journal of Interdisciplinary Mathematics, 12 pp., published online 20 September 2021.
    14. Naskinova, I., Kolev, M., Markovska, A., On the innate immune response to intracellular bacterial infections, Asian-European Journal of Mathematics, 2020, 13(8), 2050170.
    15. Garkova, B., M. Kolev, A. Markovska, Numerical Investigation of Adaptive Immune Response to Viral Infection, Lecture Notes in Computer Science, 2015, 242-250.
    16. Grozdanov, V., The weighted b-adic diaphony, Journal of Complexity, 2006, 22(4), 490–513.
    17. Baycheva, S., Grozdanov, V., The hybrid weighted diaphony, Comptes Rendus de L'Academie Bulgare des Sciences, 2015, 68(4), 437–448.
    18. Ristovska, V.D., Grozdanov, V., On the (WGb,φ; α; β; γ)-diaphony of the net of zaremba–halton over finite groups, Comptes Rendus de L'Academie Bulgare des Sciences, 2017, 70(3), 341–352.
    19. Donchev, T., Kitanov, N., Kolev, D., Stability for the solutions of parabolic equations with maxima, Panamerican Mathematical Journal, 2010, 20(2), 1–20.
    20. Kitanov, N.M., Method of averaging for optimal control problems with impulsive effects, International Journal of Pure and Applied Mathematics, 2011, 72(4), 573–589.
    21. Kitanov, N.M., Method of averaging for optimal control problems with impulsive effects, International Journal of Pure and Applied Mathematics, 2011, 72(4), 573–589.
    22. Bilal S., Donchev T., Kitanov N., Javaid, Nonlocal Riemann-Liouville fractional evolution inclusions in Banach space, Asian-European Journal of Mathematics, 13(8), (2020), 2050162.
    23. Samardzhiev, K., Kitanov, N., Mathematical Modeling in FOOD Industri, Proceedings of the Scientific Conferense “Enhancement of the competitiveness and restructuring of the food subsectors throught benchmarking”, 2014.
    24. Stoyanova, M., Tuparova, D., Samardzhiev, K., Gamification in 11th grade mathematics lessons – One possible interactive approach, Advances in Intelligent Systems and Computing, 2017, 545, 41–53.
    25. Stoyanova, M., Tuparova, D., Samardzhiev, K., Impact of motivation, gamification and learning style on students’ interest in maths classes – a study in 11 high school grade, Advances in Intelligent Systems and Computing, 2018, 716, 133–142.
    26. Samardzhiev, K., Tuparova, D, Stoyanova, M., Gamification in education behaviorism cognitivism constructivism, Proceedings of the National Conference on "Education and Research in the Information Society", 2018, 31-40. ISSN 1314-0752
    27. Slavchev, V., Kovachev, L., Ivanov, L. M.  (2015) Optimization of the nonlinear regime of self- compression at femtosecond laser pulses in silica and air. Journal of Physics: Conference Series 594, 012038 (2015). doi:10.1088/1742-6596/594/1/012038. SJR(2014)=0.363
    28. Ivanov L.M. “Improved multisoliton compressor” (2018), Bulgarian Chemical Communications 50 (Special Issue B), pp. 91-94 Scopus.
      Vassileva, R. (2015). Technological and methodological aspects of the acquisition of concepts in the process of physics education. – In: Bulgarian chemical communications, Volume 47 / Special Issue B, Selection of papers presented at the National Conference on Physics, October 10-12, 2014, Plovdiv, Bulgaria. Sofia: Heron Press Ltd., pp. 499-504, ISSN 0324-1130. IF 0,229 (2015-2016).
      http://bcc.bas.bg/BCC_Volumes/Volume_47_Special_B_2015/BCC-47-SI-B-70.pdf 
      Scopus
    29. Vassileva, R. (2018) Cognitive problems for developing students’ scientific literacy in their Physics education In: Bulgarian Chemical Communications 50(Special Issue B), pp. 72-74.
      Scopus
    30. Kalpachka, G. (2016) Teachers in Learning with Using of Information and Communication Technologies. Chemistry 25(6): 940–947. ISSN 0861-9255 (Print), ISSN 1313-8235 (Online). (SJR (2016) 0,192).
      http://khimiya.org/show_issue.php?y=2016&vol=25&issue=6&i_id=64
      Scopus
    31. Kalpachka, G. (2017) Computer Educational Technologies in the Lessons to Solving Physics Problems. Chemistry 26(6): 856–873. ISSN 0861-9255 (Print), ISSN 1313-8235 (Online). (SJR (2016) 0,192).
      http://khimiya.org/show_issue.php?y=2017&vol=26&issue=6&i_id=70 Scopus
    32. Milovanski, V., G. Kalpachka. Analysis of average power at simistor phase adjustment. – Bulgarian Chemical Communications, 2018, Volume 50, Special Issue B, pp. 95–98. ISSN 0324-1130. Impact Factor (2017) = 0,242 SJR (2017) = 0,156
      http://www.bcc.bas.bg/BCC_Volumes/Volume_50_Special_B_2018/BCC-50-SI-B-2018-Milovanski-95-98.pdf Scopus
    33. Kalpachka, G. Internet as a computer educational technology in physics teaching, AIP Conference Proceedings, Volume 2075, 2019, Article number 180015
      https://doi.org/10.1063/1.5091412 Scopus
    34. Sinyagina, N., G. Kalpachka, V. Todorov, V. Kalpachki. Developing an Application for Researching the RSA Algorithm Behavior on a Multithread Platform. – TEM Journal, 2020, Volume 9, Issue 4, pp. 1364–1371. ISSN 2217‐8309, e-ISSN 2217-8333.
      DOI: 10.18421/TEM94-07
      SJR 0,167 (2019)
      http://www.temjournal.com/content/94/TEMJournalNovember2020_1364_1371.html 
      Статията е реферирана и индексирана в Scopus и Web of Science.
    35. Sinyagina, N., V. Todorov, G. Kalpachka. Implementation of cryptographic algorithms via multithreading. – Bulgarian Chemical Communications, 2020, Volume 52, Special Issue A, pp. 220–224. ISSN 0861-9808.
      DOI: 10.34049/bcc.52.A.218
      SJR 0,142 (2019)
      http://www.bcc.bas.bg/BCC_Volumes/Volume_52_Special_A_2020/BCC-52-A-2020-220-224-Kalpachka_R218_EP.pdf
      http://www.bcc.bas.bg/BCC_Volumes/Volume_52_Special_A_2020/BCC-52-A.pdf
      Статията е реферирана и индексирана в Scopus.
    36. Kalpachka, G. Modern educational technologies in physics teaching. – Bulgarian Chemical Communications, 2020, Volume 52, Special Issue A, pp. 109–113. ISSN 0861-9808.
      DOI: 10.34049/bcc.52.A.221
      SJR 0,142 (2019)
      http://www.bcc.bas.bg/BCC_Volumes/Volume_52_Special_A_2020/BCC-52-A-2020-109-113-Kalpachka-221.pdf
      http://www.bcc.bas.bg/BCC_Volumes/Volume_52_Special_A_2020/BCC-52-A.pdf
      Статията е реферирана и индексирана в Scopus.
    37. Milovanski, V., G. Kalpachka. Computer modeling and simulations of processes in serial resonance. – Bulgarian Chemical Communications, 2020, Volume 52, Special Issue A, pp. 225–228. ISSN 0861-9808.
      DOI: 10.34049/bcc.52.A.307
      SJR 0,142 (2019)
      http://www.bcc.bas.bg/BCC_Volumes/Volume_52_Special_A_2020/BCC-52-A-2020-225-228-Kalpachka%20R307_EP.pdf
      http://www.bcc.bas.bg/BCC_Volumes/Volume_52_Special_A_2020/BCC-52-A.pdf
      Статията е реферирана и индексирана в Scopus.
    38. K. Damov, M. Iliev, (2016) Application of laser light scattering for determination of the border aerosol-air in a specialized physical laboratory setup J. Phys.: Conference Series 682, 012007 SJR(2014)=0.363
      http://iopscience.iop.org/article/10.1088/1742-6596/682/1/012007 Scopus
    39. Damov K. S., I. P. Jordanov, A. S. Antonov, M. T. Iliev (2017)  Characterization of Aerodispersed Systems with Increased Concentration According to the Kinematic Viscosity and Mass Density of their Aerosol Phase, Bulgarian Chemical Communications Vol. 49, No 3, pp.589. IF 0.238 Scopus
    40. Artemenkov, D.A, Bradnova, V., Britvich, G.I., Firu, E., Haiduc, M., Kalinin, V.A., Kharlamov, S.P., Kornegrutsa, N.K., Kostin, M.Y., Maksimov, A.V., Mitseva, E., Neagu, A., Pikalov, V.A., Polkovnikov, M.K., Rusakova, V.V., Stanoeva, R., Zaitsev, A.A., Zarubin, P.I., Zarubina, I.G. (2018) Nuclear track emulsion in search for the Hoyle-state in dissociation of relativistic 12C nuclei. Radiation Measurements 119: pp 199-203
      https://doi.org/10.1016/j.radmeas.2018.11.005 Web of Science, Scopus
    41. D.A. Artemenkov, V. Bradnova, M.V. Gustova, O.M. Ivanov, R.R. Kattabekov, K.Z. Mamatkulov, V.V. Rusakova, A.V. Sabelnikov, A.A. Zaitsev, P.I. Zarubin, I.G. Zarubina, I. Ambrouzova, M. Kakona, M. Luuzova, O. Ploc, K. Turek, E. Firu, M. Haiduc, A. Neagu, R. Stanoeva (2019) Toward ternary fission accompanied by the 8Be nucleus. Eurasian Journal of Physics and Functional Materials 3(1): 71-83
      https://doi.org/10.29317/ejpfm.2019030110  Scopus
    42. R. Stanoeva, D. A. Artemenkov, V. Bradnova, E. Mitsova, V. V. Rusakova, A. A. Zaitsev, P. I. Zarubin, I. G. Zarubina. Application of nuclear track emulsion in low-energy studies, Bulgarian Chemical Communications, Volume 52, Issue A (pp. 147-151) 2020. DOI: 10.34049/bcc.52.A.238 (Scopus) http://www.bcc.bas.bg/
    43. D A Artemenkov, V Bradnova, M.M Chernyavsky, E Firu, M Haiduc, N K Kornegrutsa, A I Malakhov, E Mitsova, A Neagu, N G Peresadko, V V Rusakova, R Stanoeva, A A Zaitsev, I G Zarubina, P I Zarubin (2020) Unstable states in dissociation of relativistic nuclei: Recent findings and prospects of research. European Physical Journal A, Volume 56, Issue 10, 1 October 2020, Article number 250 (Web of Science, Scopus)
      https://link.springer.com/article/10.1140%2Fepja%2Fs10050-020-00252-3 
    44. D. A. Artemenkov, M. Haiduc, N. K. Kornegrutsa, E. Mitsova, N. G. Peresadko, V. V. Rusakova, R. Stanoeva, A. A. Zaitsev, P. I. Zarubin, I. G. Zarubina. The Hoyle State in Relativistic 12C Dissociation, Springer Proceedings in Physics, Volume 238, 2020, Pages 137-139. (Scopus)
      https://link.springer.com/chapter/10.1007%2F978-3-030-32357-8_24
      https://doi.org/10.1007/978-3-030-32357-8_24
    45. D A Artemenkov, V Bradnova, E Firu, M Haiduc, N K Kornegrutsa, A I Malakhov, E Mitsova, A Neagu, N G Peresadko, V V Rusakova, R Stanoeva, A A Zaitsev, I G Zarubina, P I Zarubin (2020) Prospects of nuclear clustering studies via dissociation of relativistic nuclei in nuclear track emulsion. Journal of Physics: Conference Series, Volume 1555, Issue 1, 28 May 2020, Article number 012005(Web of Science, Scopus)
      https://iopscience.iop.org/article/10.1088/1742-6596/1555/1/012005
    46. D Kaisheva, A Anchev, V Dunchev, B Stoyanov, S Valkov, M Ormanova, G Kotlarski, V Todorov, M Atanasova, S Rabadzhiyska and P Petrov, Study of the structure and mechanical properties of electron-beam-welded dissimilar joints of copper and stainless steel with and without offset, Journal of Physics: Conference Series, Volume 2240, 22nd International Summer School On Vacuum, Electron and Ion Technologies (VEIT 2021) 20/09/2021 - 24/09/2021 Sozopol, Bulgaria
      https://iopscience.iop.org/article/10.1088/1742-6596/2240/1/012006